Answers

2015-05-29T12:37:25+05:30
(213*657)^-1=213^-1*_______ (or x)
(139941)^-1=1/213* x
1/139941=1/213*x
213/139941=x
0.00152207=x
152207/100000000=x

Hence,    (213*657)^-1=(213^-1)*(152207/100000000)

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2015-05-29T15:34:49+05:30
(213 × 657)^–1 = 213^–1 × ___________.
1/(213 × 657) = 1/213 * 1/ 657
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